MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm hosted on compromised WordPress sites, directing users to download files. The heuristic firings indicate a link farm on disposable hosting and a compromised CMS upload link, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://inwebjor.ru/uplcv?utm_term=rainbow+6+siege+apk PDF link annotation
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613618b02a1e8---dibofonus.pdfIn PDF document text
- http://altronic.pl/!mag2011/userfiles/file/nafodor.pdfIn PDF document text
- https://zhavezbozi.cz/data/file/vawapi.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/161326ebd651af---81547483809.pdfIn PDF document text
- http://dd-eng.com/files/files/domabi.pdfIn PDF document text
- http://namngonviet.com/user-/files/9153577509.pdfIn PDF document text
- https://europawindow.com/app/webroot/img/main_content/files/kajejezufinasifuzugozi.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/161458fec965fc---jekovetapowapeme.pdfIn PDF document text
- http://tcyy88.com/userfiles/file/2021091021085073499.pdfIn PDF document text
- http://goldmustang.ru/files/files/88991367300.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614279b6631e9---43028985180.pdfIn PDF document text
- https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/vafunepogorujoresenefokew.pdfIn PDF document text
- http://hoaisonland.vn/upload/files/16116491423.pdfIn PDF document text
- http://blessingsngo.in/userfiles/files/45815005691.pdfIn PDF document text
- https://rmduncanrealty.com/userfiles/files/1342109205.pdfIn PDF document text
- https://pcetravel.com/files/file/29959164731.pdfIn PDF document text
- https://stephankeppel.com/userfiles/file/bokugidetamonaxafu.pdfIn PDF document text
- http://cosmikkino.ru/sadm_files/getuwupababejoripaduxa.pdfIn PDF document text
- http://czerwoneiczarne.pl/files/file/bofegibexexi.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b612ce3c79---86010833435.pdfIn PDF document text
- http://shepardinteriordesign.com/rw/upload/file/satatakurisu.pdfIn PDF document text
- http://xn--2-140-swe8h.xn--p1ai/files/69461720570.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613179110aa50---42772981027.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b3d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3D5 | 10712 bytes |
SHA-256: e100417f0dd4a9c67354b1bb44d308dcd02c74a2b86582f7d93547cc825b20a2 |
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font_01_sfnt_off0000cc73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC73 | 18720 bytes |
SHA-256: 6c3ee57825a438c3c4c66dce23ec386d7b824718db35aa1e7242d38a3c261656 |
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font_02_sfnt_off0000fca2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCA2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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